diff --git a/web/gui/src/main/webapp/app/fw/widget/tooltip.js b/web/gui/src/main/webapp/app/fw/widget/tooltip.js
index 9c356eb..8996ec8 100644
--- a/web/gui/src/main/webapp/app/fw/widget/tooltip.js
+++ b/web/gui/src/main/webapp/app/fw/widget/tooltip.js
@@ -64,9 +64,11 @@
     // === API functions ------------------------------------------------
 
     function showTooltip(el, msg) {
-        if (!el || !msg) {
+        // tooltips don't make sense on mobile devices
+        if (!el || !msg || fs.isMobile()) {
             return;
         }
+
         var elem = d3.select(el),
             mouseX = d3.event.pageX,
             mouseY = d3.event.pageY,
diff --git a/web/gui/src/main/webapp/app/view/topo/topo.css b/web/gui/src/main/webapp/app/view/topo/topo.css
index 870d4f8..c45bbed 100644
--- a/web/gui/src/main/webapp/app/view/topo/topo.css
+++ b/web/gui/src/main/webapp/app/view/topo/topo.css
@@ -20,6 +20,10 @@
 
 /* --- Base SVG Layer --- */
 
+#ov-topo svg {
+    /* prevents the little cut/copy/paste square that would appear on iPad */
+    -webkit-user-select: none;
+}
 .light #ov-topo svg {
     background-color: #fff;
 }
diff --git a/web/gui/src/main/webapp/app/view/topo/topo.js b/web/gui/src/main/webapp/app/view/topo/topo.js
index 50e465d..4ce8348 100644
--- a/web/gui/src/main/webapp/app/view/topo/topo.js
+++ b/web/gui/src/main/webapp/app/view/topo/topo.js
@@ -168,7 +168,7 @@
 
     // zoom enabled predicate. ev is a D3 source event.
     function zoomEnabled(ev) {
-        return (ev.metaKey || ev.altKey);
+        return fs.isMobile() || (ev.metaKey || ev.altKey);
     }
 
     function zoomCallback() {